content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------------------
   * DefaultXYDatasetTests.java
   * --------------------------
   * (C) Copyright 2006-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 06-Jul-2006 : Version 1 (DG);
   * 02-Nov-2006 : Added testAddSeries() method (DG);
   * 22-Apr-2008 : Added testPublicCloneable (DG);
   *
   */
  
  package org.jfree.data.xy;
  
  import org.jfree.chart.util.PublicCloneable;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  /**
   * Tests for {@link DefaultXYDataset}.
   */
  public class DefaultXYDatasetTest  {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
  
          DefaultXYDataset d1 = new DefaultXYDataset();
          DefaultXYDataset d2 = new DefaultXYDataset();
          assertEquals(d1, d2);
          assertEquals(d2, d1);
  
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[][] data1 = new double[][] {x1, y1};
          double[] x2 = new double[] {1.0, 2.0, 3.0};
          double[] y2 = new double[] {4.0, 5.0, 6.0};
          double[][] data2 = new double[][] {x2, y2};
          d1.addSeries("S1", data1);
          assertFalse(d1.equals(d2));
          d2.addSeries("S1", data2);
          assertEquals(d1, d2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          DefaultXYDataset d1 = new DefaultXYDataset();
          DefaultXYDataset d2 = (DefaultXYDataset) d1.clone();
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // try a dataset with some content...
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[][] data1 = new double[][] {x1, y1};
          d1.addSeries("S1", data1);
          d2 = (DefaultXYDataset) d1.clone();
  
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // check that the clone doesn't share the same underlying arrays.
          x1[1] = 2.2;
          assertFalse(d1.equals(d2));
          x1[1] = 2.0;
          assertEquals(d1, d2);
      }
  
      /**
       * Verify that this class implements {@link PublicCloneable}.
       */
      @Test
      public void testPublicCloneable() {
          DefaultXYDataset d1 = new DefaultXYDataset();
          assertTrue(d1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          DefaultXYDataset d1 = new DefaultXYDataset();
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(d1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray())
              );
          DefaultXYDataset d2 = (DefaultXYDataset) in.readObject();
              in.close();
  
          assertEquals(d1, d2);
  
          // try a dataset with some content...
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[][] data1 = new double[][] {x1, y1};
          d1.addSeries("S1", data1);
  
          buffer = new ByteArrayOutputStream();
          out = new ObjectOutputStream(buffer);
          out.writeObject(d1);
          out.close();
  
          in = new ObjectInputStream(
              new ByteArrayInputStream(buffer.toByteArray())
          );
          d2 = (DefaultXYDataset) in.readObject();
          in.close();
  
          assertEquals(d1, d2);
  
      }
  
      /**
       * Some checks for the getSeriesKey(int) method.
       */
      @Test
      public void testGetSeriesKey() {
          DefaultXYDataset d = createSampleDataset1();
          assertEquals("S1", d.getSeriesKey(0));
          assertEquals("S2", d.getSeriesKey(1));
  
          // check for series key out of bounds
          try {
              /*Comparable k =*/ d.getSeriesKey(-1);
              fail("IllegalArgumentException should have been thrown on negative key");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Series index out of bounds", e.getMessage());
          }
  
          try {
              /*Comparable k =*/ d.getSeriesKey(2);
              fail("IllegalArgumentException should have been thrown on key out or range");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Series index out of bounds", e.getMessage());
          }
      }
  
      /**
       * Some checks for the indexOf(Comparable) method.
       */
      @Test
      public void testIndexOf() {
          DefaultXYDataset d = createSampleDataset1();
          assertEquals(0, d.indexOf("S1"));
          assertEquals(1, d.indexOf("S2"));
          assertEquals(-1, d.indexOf("Green Eggs and Ham"));
          assertEquals(-1, d.indexOf(null));
      }
  
      static final double EPSILON = 0.0000000001;
  
      /**
       * Some tests for the addSeries() method.
       */
      @Test
      public void testAddSeries() {
          DefaultXYDataset d = new DefaultXYDataset();
          d.addSeries("S1", new double[][] {{1.0}, {2.0}});
          assertEquals(1, d.getSeriesCount());
          assertEquals("S1", d.getSeriesKey(0));
  
          // check that adding a series will overwrite the old series
          d.addSeries("S1", new double[][] {{11.0}, {12.0}});
          assertEquals(1, d.getSeriesCount());
          assertEquals(12.0, d.getYValue(0, 0), EPSILON);
  
          // check null key
          try
          {
            d.addSeries(null, new double[][] {{1.0}, {2.0}});
              fail("IllegalArgumentException should have been thrown on null key");
          }
          catch (IllegalArgumentException e)
          {
              assertEquals("The 'seriesKey' cannot be null.", e.getMessage());
          }
      }
  
      /**
       * Creates a sample dataset for testing.
       *
       * @return A sample dataset.
       */
      public DefaultXYDataset createSampleDataset1() {
          DefaultXYDataset d = new DefaultXYDataset();
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[][] data1 = new double[][] {x1, y1};
          d.addSeries("S1", data1);
  
          double[] x2 = new double[] {1.0, 2.0, 3.0};
          double[] y2 = new double[] {4.0, 5.0, 6.0};
          double[][] data2 = new double[][] {x2, y2};
          d.addSeries("S2", data2);
          return d;
      }
  
  }
  